The particles and antiparticles of the Standard Model obey all sorts of conservation laws, with fundamental differences between fermionic particles and antiparticles and bosonic ones. The final piece ...

The Hardy-Weinberg theorem characterizes the distributions of genotype frequencies in populations that are not evolving, and is thus the fundamental null model for population genetics. Under the ...

Frank Wilczek is Herman Feshbach Professor of Physics at the Massachusetts Institute of Technology and founding director of the Tsung-Dao Lee Institute in Shanghai, China. He has been an admiring ...

With his crabapple cheeks and silver, red-tinged hair, Steven Weinberg looks like a large, solemn elf. He would make a terrific Oberon, King of the Fairies in A Midsummer Night's Dream. And like a ...

The Hardy-Weinberg equilibrium principle describes the unchanging frequency of alleles and genotypes in a stable, idealized population. In this population we assume there is random mating and sexual ...